code.delx.au - pulseaudio/blob - src/modules/module-suspend-on-idle.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2006 Lennart Poettering
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <pulse/xmalloc.h>
  27 #include <pulse/timeval.h>
  28 #include <pulse/rtclock.h>
  29
  30 #include <pulsecore/core.h>
  31 #include <pulsecore/core-util.h>
  32 #include <pulsecore/sink-input.h>
  33 #include <pulsecore/source-output.h>
  34 #include <pulsecore/modargs.h>
  35 #include <pulsecore/log.h>
  36 #include <pulsecore/namereg.h>
  37
  38 #include "module-suspend-on-idle-symdef.h"
  39
  40 PA_MODULE_AUTHOR("Lennart Poettering");
  41 PA_MODULE_DESCRIPTION("When a sink/source is idle for too long, suspend it");
  42 PA_MODULE_VERSION(PACKAGE_VERSION);
  43 PA_MODULE_LOAD_ONCE(TRUE);
  44 PA_MODULE_USAGE(
  45         "timeout=<timeout> "
  46         "mempool_vacuum=<vacuum memory if all sinks and sources are suspended?>");
  47
  48 static const char* const valid_modargs[] = {
  49     "timeout",
  50     "mempool_vacuum",
  51     NULL,
  52 };
  53
  54 struct userdata {
  55     pa_core *core;
  56     pa_usec_t timeout;
  57     pa_hashmap *device_infos;
  58     pa_hook_slot
  59         *sink_new_slot,
  60         *source_new_slot,
  61         *sink_unlink_slot,
  62         *source_unlink_slot,
  63         *sink_state_changed_slot,
  64         *source_state_changed_slot;
  65
  66     pa_hook_slot
  67         *sink_input_new_slot,
  68         *source_output_new_slot,
  69         *sink_input_unlink_slot,
  70         *source_output_unlink_slot,
  71         *sink_input_move_start_slot,
  72         *source_output_move_start_slot,
  73         *sink_input_move_finish_slot,
  74         *source_output_move_finish_slot,
  75         *sink_input_state_changed_slot,
  76         *source_output_state_changed_slot;
  77
  78     pa_bool_t mempool_vacuum:1;
  79 };
  80
  81 struct device_info {
  82     struct userdata *userdata;
  83     pa_sink *sink;
  84     pa_source *source;
  85     pa_usec_t last_use;
  86     pa_time_event *time_event;
  87 };
  88
  89 static void check_meempool_vacuum(struct device_info *d) {
  90     pa_sink *si;
  91     pa_source *so;
  92     uint32_t idx;
  93
  94     pa_assert(d);
  95     pa_assert(d->userdata);
  96     pa_assert(d->userdata->core);
  97
  98     idx = 0;
  99     PA_IDXSET_FOREACH(si, d->userdata->core->sinks, idx)
 100         if (pa_sink_get_state(si) != PA_SINK_SUSPENDED)
 101             return;
 102
 103     idx = 0;
 104     PA_IDXSET_FOREACH(so, d->userdata->core->sources, idx)
 105         if (pa_source_get_state(so) != PA_SOURCE_SUSPENDED)
 106             return;
 107
 108     pa_log_info("All sinks and sources are suspended, vacuuming memory");
 109     pa_mempool_vacuum(d->userdata->core->mempool);
 110 }
 111
 112 static void timeout_cb(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
 113     struct device_info *d = userdata;
 114
 115     pa_assert(d);
 116
 117     d->userdata->core->mainloop->time_restart(d->time_event, NULL);
 118
 119     if (d->sink && pa_sink_check_suspend(d->sink) <= 0 && !(d->sink->suspend_cause & PA_SUSPEND_IDLE)) {
 120         pa_log_info("Sink %s idle for too long, suspending ...", d->sink->name);
 121         pa_sink_suspend(d->sink, TRUE, PA_SUSPEND_IDLE);
 122         if (d->userdata->mempool_vacuum)
 123             check_meempool_vacuum(d);
 124     }
 125
 126     if (d->source && pa_source_check_suspend(d->source) <= 0 && !(d->source->suspend_cause & PA_SUSPEND_IDLE)) {
 127         pa_log_info("Source %s idle for too long, suspending ...", d->source->name);
 128         pa_source_suspend(d->source, TRUE, PA_SUSPEND_IDLE);
 129         if (d->userdata->mempool_vacuum)
 130             check_meempool_vacuum(d);
 131     }
 132 }
 133
 134 static void restart(struct device_info *d) {
 135     pa_usec_t now;
 136     const char *s;
 137     uint32_t timeout;
 138
 139     pa_assert(d);
 140     pa_assert(d->sink || d->source);
 141
 142     d->last_use = now = pa_rtclock_now();
 143
 144     s = pa_proplist_gets(d->sink ? d->sink->proplist : d->source->proplist, "module-suspend-on-idle.timeout");
 145     if (!s || pa_atou(s, &timeout) < 0)
 146         timeout = d->userdata->timeout;
 147
 148     pa_core_rttime_restart(d->userdata->core, d->time_event, now + timeout * PA_USEC_PER_SEC);
 149
 150     if (d->sink)
 151         pa_log_debug("Sink %s becomes idle, timeout in %u seconds.", d->sink->name, timeout);
 152     if (d->source)
 153         pa_log_debug("Source %s becomes idle, timeout in %u seconds.", d->source->name, timeout);
 154 }
 155
 156 static void resume(struct device_info *d) {
 157     pa_assert(d);
 158
 159     d->userdata->core->mainloop->time_restart(d->time_event, NULL);
 160
 161     if (d->sink) {
 162         pa_sink_suspend(d->sink, FALSE, PA_SUSPEND_IDLE);
 163
 164         pa_log_debug("Sink %s becomes busy.", d->sink->name);
 165     }
 166
 167     if (d->source) {
 168         pa_source_suspend(d->source, FALSE, PA_SUSPEND_IDLE);
 169
 170         pa_log_debug("Source %s becomes busy.", d->source->name);
 171     }
 172 }
 173
 174 static pa_hook_result_t sink_input_fixate_hook_cb(pa_core *c, pa_sink_input_new_data *data, struct userdata *u) {
 175     struct device_info *d;
 176
 177     pa_assert(c);
 178     pa_assert(data);
 179     pa_assert(u);
 180
 181     /* We need to resume the audio device here even for
 182      * PA_SINK_INPUT_START_CORKED, since we need the device parameters
 183      * to be fully available while the stream is set up. */
 184
 185     if ((d = pa_hashmap_get(u->device_infos, data->sink)))
 186         resume(d);
 187
 188     return PA_HOOK_OK;
 189 }
 190
 191 static pa_hook_result_t source_output_fixate_hook_cb(pa_core *c, pa_source_output_new_data *data, struct userdata *u) {
 192     struct device_info *d;
 193
 194     pa_assert(c);
 195     pa_assert(data);
 196     pa_assert(u);
 197
 198     if (data->source->monitor_of)
 199         d = pa_hashmap_get(u->device_infos, data->source->monitor_of);
 200     else
 201         d = pa_hashmap_get(u->device_infos, data->source);
 202
 203     if (d)
 204         resume(d);
 205
 206     return PA_HOOK_OK;
 207 }
 208
 209 static pa_hook_result_t sink_input_unlink_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
 210     pa_assert(c);
 211     pa_sink_input_assert_ref(s);
 212     pa_assert(u);
 213
 214     if (!s->sink)
 215         return PA_HOOK_OK;
 216
 217     if (pa_sink_check_suspend(s->sink) <= 0) {
 218         struct device_info *d;
 219         if ((d = pa_hashmap_get(u->device_infos, s->sink)))
 220             restart(d);
 221     }
 222
 223     return PA_HOOK_OK;
 224 }
 225
 226 static pa_hook_result_t source_output_unlink_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
 227     struct device_info *d = NULL;
 228
 229     pa_assert(c);
 230     pa_source_output_assert_ref(s);
 231     pa_assert(u);
 232
 233     if (!s->source)
 234         return PA_HOOK_OK;
 235
 236     if (s->source->monitor_of) {
 237         if (pa_sink_check_suspend(s->source->monitor_of) <= 0)
 238             d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
 239     } else {
 240         if (pa_source_check_suspend(s->source) <= 0)
 241             d = pa_hashmap_get(u->device_infos, s->source);
 242     }
 243
 244     if (d)
 245         restart(d);
 246
 247     return PA_HOOK_OK;
 248 }
 249
 250 static pa_hook_result_t sink_input_move_start_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
 251     struct device_info *d;
 252
 253     pa_assert(c);
 254     pa_sink_input_assert_ref(s);
 255     pa_assert(u);
 256
 257     if (pa_sink_check_suspend(s->sink) <= 1)
 258         if ((d = pa_hashmap_get(u->device_infos, s->sink)))
 259             restart(d);
 260
 261     return PA_HOOK_OK;
 262 }
 263
 264 static pa_hook_result_t sink_input_move_finish_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
 265     struct device_info *d;
 266     pa_sink_input_state_t state;
 267
 268     pa_assert(c);
 269     pa_sink_input_assert_ref(s);
 270     pa_assert(u);
 271
 272     state = pa_sink_input_get_state(s);
 273     if (state != PA_SINK_INPUT_RUNNING && state != PA_SINK_INPUT_DRAINED)
 274         return PA_HOOK_OK;
 275
 276     if ((d = pa_hashmap_get(u->device_infos, s->sink)))
 277         resume(d);
 278
 279     return PA_HOOK_OK;
 280 }
 281
 282 static pa_hook_result_t source_output_move_start_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
 283     struct device_info *d = NULL;
 284
 285     pa_assert(c);
 286     pa_source_output_assert_ref(s);
 287     pa_assert(u);
 288
 289     if (s->source->monitor_of) {
 290         if (pa_sink_check_suspend(s->source->monitor_of) <= 1)
 291             d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
 292     } else {
 293         if (pa_source_check_suspend(s->source) <= 1)
 294             d = pa_hashmap_get(u->device_infos, s->source);
 295     }
 296
 297     if (d)
 298         restart(d);
 299
 300     return PA_HOOK_OK;
 301 }
 302
 303 static pa_hook_result_t source_output_move_finish_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
 304     struct device_info *d;
 305
 306     pa_assert(c);
 307     pa_source_output_assert_ref(s);
 308     pa_assert(u);
 309
 310     if (pa_source_output_get_state(s) != PA_SOURCE_OUTPUT_RUNNING)
 311         return PA_HOOK_OK;
 312
 313     if (s->source->monitor_of)
 314         d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
 315     else
 316         d = pa_hashmap_get(u->device_infos, s->source);
 317
 318     if (d)
 319         resume(d);
 320
 321     return PA_HOOK_OK;
 322 }
 323
 324 static pa_hook_result_t sink_input_state_changed_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
 325     struct device_info *d;
 326     pa_sink_input_state_t state;
 327
 328     pa_assert(c);
 329     pa_sink_input_assert_ref(s);
 330     pa_assert(u);
 331
 332     state = pa_sink_input_get_state(s);
 333     if (state == PA_SINK_INPUT_RUNNING || state == PA_SINK_INPUT_DRAINED)
 334         if ((d = pa_hashmap_get(u->device_infos, s->sink)))
 335             resume(d);
 336
 337     return PA_HOOK_OK;
 338 }
 339
 340 static pa_hook_result_t source_output_state_changed_hook_cb(pa_core *c, pa_source_output *s, struct userdata *u) {
 341     pa_assert(c);
 342     pa_source_output_assert_ref(s);
 343     pa_assert(u);
 344
 345     if (pa_source_output_get_state(s) == PA_SOURCE_OUTPUT_RUNNING) {
 346         struct device_info *d;
 347
 348         if (s->source->monitor_of)
 349             d = pa_hashmap_get(u->device_infos, s->source->monitor_of);
 350         else
 351             d = pa_hashmap_get(u->device_infos, s->source);
 352
 353         if (d)
 354             resume(d);
 355     }
 356
 357     return PA_HOOK_OK;
 358 }
 359
 360 static pa_hook_result_t device_new_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
 361     struct device_info *d;
 362     pa_source *source;
 363     pa_sink *sink;
 364
 365     pa_assert(c);
 366     pa_object_assert_ref(o);
 367     pa_assert(u);
 368
 369     source = pa_source_isinstance(o) ? PA_SOURCE(o) : NULL;
 370     sink = pa_sink_isinstance(o) ? PA_SINK(o) : NULL;
 371
 372     /* Never suspend monitors */
 373     if (source && source->monitor_of)
 374         return PA_HOOK_OK;
 375
 376     pa_assert(source || sink);
 377
 378     d = pa_xnew(struct device_info, 1);
 379     d->userdata = u;
 380     d->source = source ? pa_source_ref(source) : NULL;
 381     d->sink = sink ? pa_sink_ref(sink) : NULL;
 382     d->time_event = pa_core_rttime_new(c, PA_USEC_INVALID, timeout_cb, d);
 383     pa_hashmap_put(u->device_infos, o, d);
 384
 385     if ((d->sink && pa_sink_check_suspend(d->sink) <= 0) ||
 386         (d->source && pa_source_check_suspend(d->source) <= 0))
 387         restart(d);
 388
 389     return PA_HOOK_OK;
 390 }
 391
 392 static void device_info_free(struct device_info *d) {
 393     pa_assert(d);
 394
 395     if (d->source)
 396         pa_source_unref(d->source);
 397     if (d->sink)
 398         pa_sink_unref(d->sink);
 399
 400     d->userdata->core->mainloop->time_free(d->time_event);
 401
 402     pa_xfree(d);
 403 }
 404
 405 static pa_hook_result_t device_unlink_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
 406     struct device_info *d;
 407
 408     pa_assert(c);
 409     pa_object_assert_ref(o);
 410     pa_assert(u);
 411
 412     if ((d = pa_hashmap_remove(u->device_infos, o)))
 413         device_info_free(d);
 414
 415     return PA_HOOK_OK;
 416 }
 417
 418 static pa_hook_result_t device_state_changed_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
 419     struct device_info *d;
 420
 421     pa_assert(c);
 422     pa_object_assert_ref(o);
 423     pa_assert(u);
 424
 425     if (!(d = pa_hashmap_get(u->device_infos, o)))
 426         return PA_HOOK_OK;
 427
 428     if (pa_sink_isinstance(o)) {
 429         pa_sink *s = PA_SINK(o);
 430         pa_sink_state_t state = pa_sink_get_state(s);
 431
 432         if (pa_sink_check_suspend(s) <= 0)
 433             if (PA_SINK_IS_OPENED(state))
 434                 restart(d);
 435
 436     } else if (pa_source_isinstance(o)) {
 437         pa_source *s = PA_SOURCE(o);
 438         pa_source_state_t state = pa_source_get_state(s);
 439
 440         if (pa_source_check_suspend(s) <= 0)
 441             if (PA_SOURCE_IS_OPENED(state))
 442                 restart(d);
 443     }
 444
 445     return PA_HOOK_OK;
 446 }
 447
 448 int pa__init(pa_module*m) {
 449     pa_modargs *ma = NULL;
 450     struct userdata *u;
 451     uint32_t timeout = 5;
 452     pa_bool_t mempool_vacuum = FALSE;
 453     uint32_t idx;
 454     pa_sink *sink;
 455     pa_source *source;
 456
 457     pa_assert(m);
 458
 459     if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
 460         pa_log("Failed to parse module arguments.");
 461         goto fail;
 462     }
 463
 464     if (pa_modargs_get_value_u32(ma, "timeout", &timeout) < 0) {
 465         pa_log("Failed to parse timeout value.");
 466         goto fail;
 467     }
 468
 469     if (pa_modargs_get_value_boolean(ma, "mempool_vacuum", &mempool_vacuum) < 0) {
 470         pa_log("Failed to parse mempool_vacuum boolean parameter.");
 471         goto fail;
 472     }
 473
 474     m->userdata = u = pa_xnew(struct userdata, 1);
 475     u->core = m->core;
 476     u->timeout = timeout;
 477     u->device_infos = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
 478     u->mempool_vacuum = mempool_vacuum;
 479
 480     for (sink = pa_idxset_first(m->core->sinks, &idx); sink; sink = pa_idxset_next(m->core->sinks, &idx))
 481         device_new_hook_cb(m->core, PA_OBJECT(sink), u);
 482
 483     for (source = pa_idxset_first(m->core->sources, &idx); source; source = pa_idxset_next(m->core->sources, &idx))
 484         device_new_hook_cb(m->core, PA_OBJECT(source), u);
 485
 486     u->sink_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_PUT], PA_HOOK_NORMAL, (pa_hook_cb_t) device_new_hook_cb, u);
 487     u->source_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_PUT], PA_HOOK_NORMAL, (pa_hook_cb_t) device_new_hook_cb, u);
 488     u->sink_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) device_unlink_hook_cb, u);
 489     u->source_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) device_unlink_hook_cb, u);
 490     u->sink_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) device_state_changed_hook_cb, u);
 491     u->source_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) device_state_changed_hook_cb, u);
 492
 493     u->sink_input_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_fixate_hook_cb, u);
 494     u->source_output_new_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_fixate_hook_cb, u);
 495     u->sink_input_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_unlink_hook_cb, u);
 496     u->source_output_unlink_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_UNLINK_POST], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_unlink_hook_cb, u);
 497     u->sink_input_move_start_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_START], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_move_start_hook_cb, u);
 498     u->source_output_move_start_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_START], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_move_start_hook_cb, u);
 499     u->sink_input_move_finish_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_move_finish_hook_cb, u);
 500     u->source_output_move_finish_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_move_finish_hook_cb, u);
 501     u->sink_input_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) sink_input_state_changed_hook_cb, u);
 502     u->source_output_state_changed_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], PA_HOOK_NORMAL, (pa_hook_cb_t) source_output_state_changed_hook_cb, u);
 503
 504     pa_modargs_free(ma);
 505     return 0;
 506
 507 fail:
 508
 509     if (ma)
 510         pa_modargs_free(ma);
 511
 512     return -1;
 513 }
 514
 515 void pa__done(pa_module*m) {
 516     struct userdata *u;
 517     struct device_info *d;
 518
 519     pa_assert(m);
 520
 521     if (!m->userdata)
 522         return;
 523
 524     u = m->userdata;
 525
 526     if (u->sink_new_slot)
 527         pa_hook_slot_free(u->sink_new_slot);
 528     if (u->sink_unlink_slot)
 529         pa_hook_slot_free(u->sink_unlink_slot);
 530     if (u->sink_state_changed_slot)
 531         pa_hook_slot_free(u->sink_state_changed_slot);
 532
 533     if (u->source_new_slot)
 534         pa_hook_slot_free(u->source_new_slot);
 535     if (u->source_unlink_slot)
 536         pa_hook_slot_free(u->source_unlink_slot);
 537     if (u->source_state_changed_slot)
 538         pa_hook_slot_free(u->source_state_changed_slot);
 539
 540     if (u->sink_input_new_slot)
 541         pa_hook_slot_free(u->sink_input_new_slot);
 542     if (u->sink_input_unlink_slot)
 543         pa_hook_slot_free(u->sink_input_unlink_slot);
 544     if (u->sink_input_move_start_slot)
 545         pa_hook_slot_free(u->sink_input_move_start_slot);
 546     if (u->sink_input_move_finish_slot)
 547         pa_hook_slot_free(u->sink_input_move_finish_slot);
 548     if (u->sink_input_state_changed_slot)
 549         pa_hook_slot_free(u->sink_input_state_changed_slot);
 550
 551     if (u->source_output_new_slot)
 552         pa_hook_slot_free(u->source_output_new_slot);
 553     if (u->source_output_unlink_slot)
 554         pa_hook_slot_free(u->source_output_unlink_slot);
 555     if (u->source_output_move_start_slot)
 556         pa_hook_slot_free(u->source_output_move_start_slot);
 557     if (u->source_output_move_finish_slot)
 558         pa_hook_slot_free(u->source_output_move_finish_slot);
 559     if (u->source_output_state_changed_slot)
 560         pa_hook_slot_free(u->source_output_state_changed_slot);
 561
 562     while ((d = pa_hashmap_steal_first(u->device_infos)))
 563         device_info_free(d);
 564
 565     pa_hashmap_free(u->device_infos, NULL, NULL);
 566
 567     pa_xfree(u);
 568 }